Quick answer: None of the three is always cheapest. When I checked the same Tokyo hotel on the same dates, the prices were close, but each site shows prices differently: Trip.com showed the total with taxes, Agoda showed a nightly price before taxes and fees, and Booking.com showed a 2-night price with a note that extra charges may apply. Pick Trip.com if you want clear HKD totals, Trip Coins and flight + hotel bundles. Pick Agoda for a huge range of Asian hotels and pay-later options. Pick Booking.com if you will use its Genius discounts and pay-at-the-hotel rates. Whatever you choose, compare the final total at checkout. Prices below were checked on 11 November 2026.
The Same Hotel on All Three Sites
I searched Akihabara Washington Hotel in Tokyo for 14 to 16 December 2026 (2 nights, 2 adults, room only) on each site’s Hong Kong or Chinese-language version, without logging in.
| Site | Room | Price shown | What the price includes | Cancellation |
|---|---|---|---|---|
| Trip.com | Double, non-smoking | HK$1,719 for 2 nights | Taxes and fees included | Free cancellation |
| Agoda | Double room | HK$705 per night | Before taxes and fees | Free until 10 Dec, pay later |
| Booking.com | Standard Double, non-smoking | HK$1,889 for 2 nights | Extra charges may apply | Free until 13 Dec, pay at hotel |
What this shows:
- The headline numbers are not comparable. Trip.com’s nightly rate was HK$710, almost the same as Agoda’s HK$705. The difference you see on screen is mostly about what is included
- Local taxes can be extra. This hotel collects Tokyo’s accommodation tax at check-in, from 100 to 200 yen per person per night depending on the room rate
- Sales move prices fast. Booking.com’s price included an 11.11 discount, and Trip.com was also running 11.11 deals, so the cheapest site can change within days
Trip.com: Clear HKD Totals and Trip Coins
Trip.com has a Hong Kong site in Traditional Chinese and English and shows hotel prices in HKD. Its Hong Kong travel agent licence (no. 35236) is held by Ctrip.com (Hong Kong) Limited.
- Price display: search results show the total for your stay with taxes and fees included, which makes comparing hotels easier
- Trip Coins: you earn coins on bookings and can use them like cash on later prepaid orders. 100 Trip Coins are worth about HK$7.84
- Membership tiers: Silver after 1 eligible booking, Gold after 3, Platinum after 8 (minimum US$1,000) and Diamond from US$10,000 spend, with extra Trip Coins and perks at each level
- New user offers: when I searched, the site showed first-booking offers of up to HK$110 off
- Bundles: flight + hotel packages are useful if you are booking both
Best for: Hong Kong travellers who want simple HKD totals and book flights and hotels in one place.
Agoda: Huge Asian Inventory and Pay-Later Options
Agoda is part of Booking Holdings, the same group as Booking.com, and is especially strong for hotels and apartments in Asia.
- Price display: by default, prices are shown per night before taxes and fees, so the final total is higher than the first number you see
- Flexible payment: many rates let you book now and pay later. For this hotel, payment could wait until 8 December
- AgodaVIP: a free membership with tiers from Bronze up to Diamond (added in October 2025), giving member discounts at selected properties
- Range: often has smaller hotels, guesthouses and apartments that are harder to find elsewhere
Best for: Travellers in Asia who want lots of choice and like to pay closer to the trip.
Booking.com: Genius Discounts and Pay at the Hotel
Booking.com is a well-known global booking site with a free loyalty programme called Genius.
- Genius Level 1: sign in to a free account and get 10% off at participating properties
- Genius Level 2: after 5 bookings in 2 years, 10% to 15% off, plus free breakfast and room upgrades at selected properties
- Genius Level 3: after 15 bookings in 2 years, 10% to 20% off and priority customer support
- Pay at the hotel: many rates need no deposit, so you pay when you check in
- Note: Genius discounts apply to the price before taxes and other fees
Best for: Frequent travellers who will reach Genius Level 2 or 3, and anyone who prefers to pay at the hotel.
Which Hotel Booking Site Should You Use?
- Short trip to Japan, Korea or Taiwan: check Trip.com and Agoda first, since both are strong in Asia, then compare the totals
- You hate surprise fees: Trip.com’s total-price display is the easiest to read
- You want to pay later: Agoda’s pay-later rates or Booking.com’s pay-at-the-hotel rates
- You travel a lot: pick one platform and build up status (Trip.com tiers, AgodaVIP or Genius) rather than splitting bookings
Tips to Get the Best Hotel Price
- Compare the final total: go to the last step before payment on each site. That is the only fair comparison
- Check the cancellation date: “free cancellation” usually ends a few days before check-in
- Log in before you search: Trip.com and Booking.com show member prices and Genius discounts only when you are signed in
- Watch for local taxes: cities like Tokyo charge accommodation tax at the hotel
- Book activities and data too: see my KLOOK vs KKday comparison and my travel eSIM guide
FAQ
Is Trip.com, Agoda or Booking.com the cheapest?
It depends on the hotel and dates. In my spot check, the nightly rates were almost the same, so compare the final total including taxes before you book.
Are Agoda and Booking.com the same company?
They are separate brands, but both belong to Booking Holdings. Prices and inventory can still differ between them.
Why is the price higher at checkout?
Usually because taxes, service charges or local accommodation tax were not included in the first price you saw. Agoda shows nightly prices before taxes by default.
Can I pay in Hong Kong dollars?
All three sites can show prices in HKD. For pay-at-the-hotel rates, the hotel may charge in local currency, so check your card’s foreign transaction fee.
Disclosure: Some links in this article are affiliate links. If you book through them, SnowRoad may earn a small commission at no extra cost to you. It never changes which site I recommend.